FHWA NBI 2024 Inspection record Public-domain dataset

SR 354

Carrying SR 354 over STREAM

1.5 MI E SR 15, Tippah, Mississippi

Data updated May 2026

FHWA NBI record, refreshed with each annual release.

Poor
45 t Inventory load rating

Bridge Snapshot: SR 354

The SR 354 bridge in Tippah, Mississippi carries SR 354 over STREAM. It was built in 1989, making it 37 years old today. The structure is built primarily of concrete and spans 5 sections, stretching 47.2 meters (155 feet) end to end. Daily traffic averages 990 vehicles, placing it in the lower-traffic tier of Mississippi bridges. It is owned and maintained by State Highway Agency.

The latest FHWA inspection records show a deck rating of 5/9, superstructure at 4/9, substructure at 5/9. The weakest component sits in poor condition. A component scored 4 or below, placing this bridge in the federal Poor condition category rather than declaring it unsafe or closed. Its NBI inventory load rating is 45.4 metric tons.

Sourced from the FHWA National Bridge Inventory. See our methodology for refresh cadence and NBI release vintage.

How SR 354 compares

▲ 11.0
Load rating vs Mississippi average (34.4 t)
Top 12%
Higher load rating than 88% of Mississippi bridges
140
Bridges in Tippah · 7 in Poor condition
SR 354 45.4 t
Mississippi average 34.4 t

Live comparison across Mississippi.

Historical Sufficiency Rating

PlainBridge-computed
61.6 / 100 - historical 50–79.9 band
Structural adequacy /55
30.0
Serviceability /30
17.9
Essentiality /15
13.7
Special reductions
0

FHWA discontinued this calculated item; it does not determine current condition, funding eligibility, posting, or closure. How the historical reference is calculated.

Condition Ratings

Deck
5/9
Fair (5–6)
Superstructure
4/9
Poor (1–4)
Substructure
5/9
Fair (5–6)
Inventory Load Rating
45.4 t
NBI inventory level (metric tons)
Overall Condition
Poor

Full 0–9 scale + sufficiency-rating breakdown: how condition ratings work.

Structural Details

Year Built
1989
Material
Concrete
Number of Spans
5
Structure Length
47.2 m (155 ft)
Deck Width
9.3 m (31 ft)
Owner
State Highway Agency
Avg Daily Traffic
990 vehicles/day
Structure Number
310035407000150

Condition Analysis

  • The deck (driving surface) is in fair condition (5/9), with minor deterioration that may require routine maintenance.
  • At 4/9, the superstructure (beams and supports above the deck) is in poor shape, with advanced wear flagged for priority repair.
  • The substructure (piers and abutments) rates fair at 5/9, minor deterioration that routine maintenance should address.

How to read this record

SR 354 is in the federal Poor condition category. That is a component-based result, not a closure order.

  • NBI condition ratings reflect the latest record in this annual dataset, not a live status. Current routine inspection intervals are risk-based.
  • Understand what Poor condition does and does not mean before drawing conclusions. Poor condition explained
  • Compare SR 354 against other structures in Tippah and across Mississippi. Mississippi bridges
  • Noticed visible damage or a safety concern? Report it to the agency that owns the bridge, or call 911 in an emergency. How to report a bridge

Condition codes come straight from the FHWA National Bridge Inventory and are not a real-time safety judgment. Only the owning agency, a state DOT, county, or other owner, can post, restrict, or close a bridge.

Frequently Asked Questions

What do the condition ratings mean for SR 354?

SR 354 in Tippah, Mississippi has a deck rating of 5/9, superstructure rating of 4/9, and substructure rating of 5/9 on the FHWA's 0–9 scale.

How often is SR 354 inspected?

SR 354's responsible agency sets its routine interval under FHWA's risk-based inspection rules; this page does not expose the scheduled interval. It carries about 990 vehicles per day.

What does “structurally deficient” mean in older bridge reports?

FHWA retired that reported status beginning with the 2018 archive. SR 354 is currently shown as Poor condition from its component ratings; that category is not a live closure or safety decision.

What is the inventory load rating for SR 354?

SR 354 has an NBI inventory load rating of 45.4 metric tons.

Who is responsible for maintaining SR 354?

SR 354 is owned and maintained by State Highway Agency.

How old is SR 354 and does age affect safety?

SR 354 was built in 1989, making it 37 years old.

Disclaimer: Bridge condition data is from the FHWA NBI and reflects the last reported inspection. A Poor condition rating is not a live declaration that a bridge is closed or unsafe for travel. For current closure, posting, or safety information, contact the responsible transportation agency.

Data sourced from the Federal Highway Administration National Bridge Inventory. See our methodology for details. Retrieved and formatted by PlainBridges

Every figure on PlainBridge is rendered directly from federal source data, no number is typed in by an editor. This page draws directly on federal source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.